diff options
Diffstat (limited to 'stdio/freopen.c')
-rw-r--r-- | stdio/freopen.c | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/stdio/freopen.c b/stdio/freopen.c deleted file mode 100644 index dc4ff3f..0000000 --- a/stdio/freopen.c +++ /dev/null @@ -1,75 +0,0 @@ -/* Copyright (C) 1991, 1994, 1995, 1996, 1997 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <errno.h> -#include <stdio.h> - - -/* Defined in fopen.c. */ -extern int __getmode __P ((const char *, __io_mode *)); - -/* Defined in sysd-stdio.c. */ -extern int __stdio_reopen __P ((const char *filename, __io_mode mode, - void *cookieptr, __io_close_fn closefn)); - -/* Replace STREAM, opening it on FILENAME. */ -FILE * -freopen (filename, mode, stream) - const char *filename; - const char *mode; - register FILE *stream; -{ - __io_mode m; - void *cookie; - - if (!__getmode (mode, &m)) - { - (void) fclose (stream); - __set_errno (EINVAL); - return NULL; - } - - if (stream->__mode.__write) - /* Flush the stream. */ - (void) fflush (stream); - - /* Open the file, attempting to preserve the old cookie value. */ - cookie = stream->__cookie; - if (__stdio_reopen (filename, m, &cookie, - stream->__seen ? - stream->__io_funcs.__close : - __stdio_close)) - { - int save = errno; - (void) fclose (stream); - __set_errno (save); - return NULL; - } - - /* Close the stream, first disabling its cookie close function because - __stdio_reopen has already dealt with closing the old cookie. */ - stream->__seen = 1; /* It might have no functions yet. */ - stream->__io_funcs.__close = NULL; - (void) fclose (stream); - - stream->__magic = _IOMAGIC; - stream->__cookie = cookie; - stream->__mode = m; - - return stream; -} |